Easy
15-30 minutes
This is a Genuine Manufacturer Approved replacement part designed to work with a variety of Air Compressors. The pressure switch tells your compressor when to stop and when to start. There are multiple reasons a Pressure Switch could be leaking air. If it is leaking air the Pressure Switch should be replaced for a compressor to operate properly and safely.
Pressure Switch 5140110-49
OEM part for: Porter Cable, DeVilbiss, Black and Decker
Part Number: 5140110-49
$76.65
In Stock
Ships within 1 business day 
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Compatibility
This Pressure Switch will fit the following 119 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Compressor Parts
This part replaces obsolete part #: D20596, 5140155-05, Z-D20596
Customer Part Reviews ?
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easy find
The part was an exact replacement and came in a short time
Guest -
May 1, 2023
Verified Purchase
compressor pressure valve
The part arrived in good time and worked like a champ, my air compressor is back on the job!
Guest -
March 5, 2023
Verified Purchase
A quality part! I told my brother about you and he ordered a part for his Craftsman air compressor that they said there were no replacement pressure switch!e
Thank you for providing quality parts for me and my brother's air compressors.
Dick -
July 22, 2022
Verified Purchase
pressure switch for my air compressor
switch fit perfect as original , works great thanks
Guest -
January 27, 2022
Verified Purchase
Great product
Great part great service
Guest -
July 29, 2020
Verified Purchase
Quick service
I needed a new regulator and you all had it in stock and shipped immediately. Great service.
Gene -
April 22, 2020
Verified Purchase
Easy search & purchase process, saved me big $$!
Pressure switch arrived quickly, as promised. Exact match and fit - compressor back up and running the shop. Great service, thank you!
Guest -
January 28, 2020
Verified Purchase
Replacement parts
Can always count on getting the right part
Guest -
December 3, 2019
Verified Purchase
part looks good. cycled it.one time!
so far so good!! product was an exact replacement! all parts were included! east install
Guest -
August 30, 2019
Verified Purchase
Easy and simple ordering
The component I ordered was a direct replacement part. High quality. Arrived a little ahead of expected time. We need more companies like this one.
Bill -
April 26, 2019
Verified Purchase
Questions & Answers ?
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Bad Pressure Switch
Donald - June 5, 2016
👍 5 of 5 people found this instruction helpful
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
Unplug the compressor from its power source. Remove all of the existing parts from the old pressure switch. Remove the cover. Make a wiring diagram. Disconnect the wires from the old switch. Remove the old switch and install the new one. Open the cover and connect the wires. Install all the parts that were taken off of the old one. Connect it to its power source and you're done.
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WORN OUT
Chuck - February 3, 2023
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Wrench Set
Parts Used
REPLACED WITH NEW PART
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Pressure switch stuck. Pressure valve 20+ years old.
Richard - October 11, 2020
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
I merely replaced the old parts with the new ones.
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Air compressor would not shut off without unplugging from Power
John - May 20, 2020
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Wrench Set, None
Unplug compressor from Power, take cover off pressure switch remove wiring clips remove pressure switch, install a new pressure switch connect all wiring clips tighten everything down, and turn it on!
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points were burned up
Donald - January 27, 2019
Tool Type
Compressor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Wrench Set
Parts Used
replaced the old part
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Pressure switch quit working
David - January 8, 2019
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
Bled all air out of compressor,unwired pressure switch,removed switch,wired it back up,replaced pressure release valve,and turned power back on,worked fine
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Compressor would not cut off.
Paul - August 22, 2017
Tool Type
Compressor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Wrench Set, Nutdriver
Parts Used
1. Removed the old pressure switch.
2. Installed the new pressure switch.
2. Installed the new pressure switch.
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Pressure switch was not engaging at the 175psi shutoff point
Sam - August 1, 2017
👍 1 of 2 people found this instruction helpful
Tool Type
Compressor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Wrench Set, Nutdriver, Adjustable Wrench
Parts Used
1. Disconnected the power.
2. Safely emptied the tank pressure.
3. Took the switch top cover off.
4. Disconnect the aluminum air line from the switch to the tank.
5. Disconnected the motor wires and the power in wires.
6. Pulled the wires out of the switch so that they were away from each other.
7. Used a 3/4" wrench to unscrew the pressure switch from the tank.
8. Installed the new switch.
9. Reattached the wires to the correct locations.
10. Reinstalled the aluminum air line.
11. Insure all wires and air lines are connected.
12. Put the switch top cover back on.
13. Flipped the red switch arm to auto.
14. Turned the power back on.
**make sure tank pressure shuts off at 175psi**
2. Safely emptied the tank pressure.
3. Took the switch top cover off.
4. Disconnect the aluminum air line from the switch to the tank.
5. Disconnected the motor wires and the power in wires.
6. Pulled the wires out of the switch so that they were away from each other.
7. Used a 3/4" wrench to unscrew the pressure switch from the tank.
8. Installed the new switch.
9. Reattached the wires to the correct locations.
10. Reinstalled the aluminum air line.
11. Insure all wires and air lines are connected.
12. Put the switch top cover back on.
13. Flipped the red switch arm to auto.
14. Turned the power back on.
**make sure tank pressure shuts off at 175psi**
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Compressor would not shut down
carl - April 8, 2017
Tool Type
Compressor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set, Adjustable Wrench
Parts Used
Unplug the compressor
Drain the air out off the tank
Remove the parts from the pressure switch
Open the cover up and make a wiring diagram and remove the wires.
Remove the old pressure pressure switch
Install the new pressure switch
Complete installation in reverse order
Drain the air out off the tank
Remove the parts from the pressure switch
Open the cover up and make a wiring diagram and remove the wires.
Remove the old pressure pressure switch
Install the new pressure switch
Complete installation in reverse order
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Air pressure switch had burnt contacts
Darrell - January 28, 2017
Tool Type
Compressor
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Wrench Set
Parts Used
Disconnected power source. Drained air from compressor tank. Removed cover from broken switch. Disconnected four wires plus two grounds, (paying attention to location as to how they compare to wire diagram provided with new switch replacement). Disconnected small air line back from back side of compressor. Using 3/4 end wrench I removed the switch. Then reassembled in reverse order.
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
